Tellhow Sci-tech Co., Ltd is principally engaged in the operation of intelligent electric power business, intelligent energy-saving business, motor power business and equipment information business.

中国清洁科技指数在整个5月期间从74.57上涨到74.68,升幅0.1%。同期NEX WilderHill 新能源全球创新指数上涨2.4%,CTIUS美国清洁科技指数上涨1.8%,上证综合指数升幅3.9%,MSCI全球指数亦上升0.1%。